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US Government (Library of Congress) - Public Domain
State Library of New South Wales -
unknown - Public Domain
Uche - CC BY-SA 2.0
United States District Court, District of New Jersey -
United States Senate Historical Office - Public Domain
Photographer:Talbot (presumably in New York)-rest of stamp is smudged. - Public Domain
Original uploader was wMcbane700 - CC BY-SA 3.0
USSR Post - Public Domain
neznámí - Public Domain
J7Camper - CC BY-SA 3.0
Georges Biard - CC BY-SA 3.0
Emery Walker (2 April 1851 – 22 July 1933) - Public Domain
Al pie de la imagen figuran los datos de su autor. - Public Domain
Mjs - CC BY-SA 4.0
Public Domain
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US Government (Library of Congress) - Public Domain
Wright, J. Skelly
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Nott, Josiah Clark, 1804-1873
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Vitriarius, Johann Jakob, 1679-1745
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State Library of New South Wales -
Ritchard, Cyril, 1897-1977
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unknown - Public Domain
Smith, Seba, 1792-1868
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Uche - CC BY-SA 2.0
Silko, Leslie Marmon, 1948-
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United States District Court, District of New Jersey -
Arleo, Madeline Cox, 1963-
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Innocent XI, Pope, 1611-1689
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United States Senate Historical Office - Public Domain
Morton, Thruston B. (Thruston Ballard), 1907-1982
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Rebozo, Charles G. (Charles Gregory), 1912-1998
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Photographer:Talbot (presumably in New York)-rest of stamp is smudged. - Public Domain
Bankhead, Tallulah
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Davis, John E. (John Edward), 1913-1990
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Original uploader was wMcbane700 - CC BY-SA 3.0
Fine, Jeanna
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Ducos, Roger, 1747-1816
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USSR Post - Public Domain
Pollitt, Harry
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neznámí - Public Domain
Camel, Georg Joseph, 1661-1706
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J7Camper - CC BY-SA 3.0
Camper, Jennifer, 1957-
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Anville, Jean-Baptiste Bourguignon d', 1697-1782
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unknown - Public Domain
Szmaglewska, Seweryna
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Georges Biard - CC BY-SA 3.0
Mercadier, Marthe, 1928-.....
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Mackay, John William, 1831-1902
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Nord-Alexis, Pierre, 1820-1910
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Emery Walker (2 April 1851 – 22 July 1933) - Public Domain
Sichel, Edith Helen, 1862-1914.
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Devereux, George, 1908-1985
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Paolozzi, Eduardo, 1924-2005
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Al pie de la imagen figuran los datos de su autor. - Public Domain
Carranza, Bartolomé, 1503-1576
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Ware, Helen, 1877-1939
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unknown - Public Domain
Aiken, Conrad Potter, 1889-1973
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Mjs - CC BY-SA 4.0
Stillwell, John.
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Public Domain
Milliken, Carl E. (Carl Elias), 1877-